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51  <h1>Source code for sas.perspectives.fitting.plugin_models.testmodel</h1><div class="highlight"><pre>
52<span class="sd">&quot;&quot;&quot;</span>
53<span class="sd">Test plug-in model</span>
54<span class="sd">These are links of available functions:</span>
55
56<span class="sd">http://docs.python.org/library/math.html</span>
57<span class="sd">http://www.scipy.org/Numpy_Functions_by_Category</span>
58<span class="sd">&quot;&quot;&quot;</span>
59
60<span class="sd">&quot;&quot;&quot;</span>
61<span class="sd">## *****************************************************************************</span>
62<span class="sd">Please select the &#39;Compile&#39; from the menubar after the modification and saving.</span>
63<span class="sd">Note that we recommend to save the file as a different file name.</span>
64<span class="sd">Otherwise, it could be removed in the future on re-installation of the SasView.</span>
65<span class="sd">## *****************************************************************************</span>
66<span class="sd">&quot;&quot;&quot;</span>
67
68<span class="kn">from</span> <span class="nn">sas.models.pluginmodel</span> <span class="kn">import</span> <span class="n">Model1DPlugin</span>  <span class="c">##DO NOT CHANGE THIS LINE!!!</span>
69<span class="kn">import</span> <span class="nn">math</span>                  <span class="c">##DO NOT CHANGE THIS LINE!!!</span>
70<span class="kn">import</span> <span class="nn">numpy</span>               <span class="c">##DO NOT CHANGE THIS LINE!!!</span>
71<span class="kn">import</span> <span class="nn">os</span>
72<span class="kn">import</span> <span class="nn">sys</span>
73<span class="c">##PLEASE READ COMMENTS CAREFULLY !!! COMMENT ARE IN CAPITAL LETTERS AND AFTER ##</span>
74<span class="c">## THESE COMMENTS ARE THERE TO GUIDE YOU. YOU CAN REMOVE THEM ONLY WHEN YOU ARE</span>
75<span class="c">## CONFORTABLE ENOUGH WITH OUR MODEL PLUGIN OPTION</span>
76
77
78<span class="c">## &lt;-----  SIGN DEFINES WHERE YOU CAN MODIFY THE CODE</span>
79
80<div class="viewcode-block" id="Model"><a class="viewcode-back" href="../../../../../dev/api/sas.perspectives.fitting.plugin_models.html#sas.perspectives.fitting.plugin_models.testmodel.Model">[docs]</a><span class="k">class</span> <span class="nc">Model</span><span class="p">(</span><span class="n">Model1DPlugin</span><span class="p">):</span><span class="c">##DO NOT CHANGE THIS LINE!!!</span>
81    <span class="sd">&quot;&quot;&quot;</span>
82<span class="sd">    ##YOU CAN BE MODIFY ANYTHING BETWEEN &quot;&quot;&quot;</span> <span class="s">&quot;&quot;&quot;</span>
83<span class="s">    ##DESCRIPTION OF MODEL PLUG-IN GOES HERE</span>
84<span class="s">    </span>
85<span class="s">    ##EXAMPLE:Class that evaluates a cos(x) model. </span>
86<span class="s">    &quot;&quot;&quot;</span>
87    <span class="n">name</span> <span class="o">=</span> <span class="s">&quot;&quot;</span>     
88   
89    <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
90        <span class="sd">&quot;&quot;&quot;</span>
91<span class="sd">        Initialization</span>
92<span class="sd">        &quot;&quot;&quot;</span>
93        <span class="n">Model1DPlugin</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span><span class="c">##DO NOT CHANGE THIS LINE!!!</span>
94       
95        <span class="c">## EDIT PARAMETERS&#39; NAMES AND VALUE</span>
96        <span class="c">## DELETE MODIFIABLE LINE HERE WILL REDUCE THE NUMBER OF PARAMETERS</span>
97        <span class="bp">self</span><span class="o">.</span><span class="n">params</span> <span class="o">=</span> <span class="p">{}</span>                        <span class="c">##DO NOT CHANGE THIS LINE!!!</span>
98        <span class="c"># Set the name same as the file name</span>
99        <span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_fname</span><span class="p">()</span>     <span class="c">##DO NOT CHANGE THIS LINE!!!</span>
100        <span class="c">## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN &#39; &#39; AND NUMBER </span>
101        <span class="c">## YOU CAN ALSO DELETE THIS LINE</span>
102        <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s">&#39;A&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="mf">1.0</span>       <span class="c">## &lt;-----  </span>
103        <span class="c">## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN &#39; &#39; AND NUMBER </span>
104        <span class="c">## YOU CAN ALSO DELETE THIS LINE   </span>
105        <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s">&#39;B&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="mf">1.0</span>       <span class="c">## &lt;----- </span>
106        <span class="c">## YOU CAN MODIFY THE LINE BELLOW.CHANGE WORD BETWEEN &#39; &#39; AND NUMBER </span>
107        <span class="c">## YOU CAN ALSO DELETE THIS LINE    </span>
108        <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s">&#39;C&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="mf">10.0</span>      <span class="c">## &lt;-----  </span>
109
110        <span class="c">## DEFINE DEFAULT DETAILS</span>
111        <span class="bp">self</span><span class="o">.</span><span class="n">set_details</span><span class="p">()</span>      <span class="c">##DO NOT DELETE OR CHANGE THIS LINE!!!</span>
112       
113        <span class="c">## YOU CAN MODIFY THE LINE BELLOW.MODIFY WORDS BETWEEN &quot;&quot;&quot;   &quot;&quot;&quot;  ONLY!!!!</span>
114        <span class="bp">self</span><span class="o">.</span><span class="n">description</span> <span class="o">=</span> <span class="s">&quot;F(x)=A+Bcos(2x)+Csin(2x) &quot;</span>     <span class="c">## &lt;----- </span>
115   
116<div class="viewcode-block" id="Model.function"><a class="viewcode-back" href="../../../../../dev/api/sas.perspectives.fitting.plugin_models.html#sas.perspectives.fitting.plugin_models.testmodel.Model.function">[docs]</a>    <span class="k">def</span> <span class="nf">function</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span> <span class="o">=</span> <span class="mf">0.0</span><span class="p">):</span>  <span class="c">##DO NOT CHANGE THIS LINE!!!</span>
117        <span class="sd">&quot;&quot;&quot;</span>
118<span class="sd">        Evaluate the model</span>
119<span class="sd">        </span>
120<span class="sd">        :param x: input x</span>
121<span class="sd">        </span>
122<span class="sd">        :return: function value</span>
123<span class="sd">        </span>
124<span class="sd">        &quot;&quot;&quot;</span>
125        <span class="c">## ADD YOUR FUNCTION HERE.</span>
126        <span class="c">## REUSE THE PARAMETERS DEFINED PREVIOUSLY TO WRITE YOUR FUNCTION.</span>
127       
128        <span class="c">## IN THIS EXAMPLE THE FUNTION IS:</span>
129        <span class="c">## A+Bcos(2x)+Csin(2x)</span>
130        <span class="c">## YOU CAN USE math.sin or sin directly</span>
131        <span class="c">## NOTE: sin, cos ARE FUNCTIONS  IMPORTED FROM PYTHON MATH LIBRARY</span>
132        <span class="c">## FOR MORE INFORMATION CHECK http://docs.python.org/library/math.html      </span>
133        <span class="c">## OTHER FUNCTIONS ARE ALSO </span>
134        <span class="c">##  AVAILABLE http://www.scipy.org/Numpy_Functions_by_Category</span>
135        <span class="c">## numpy FUNCTIONS ARE FOR EXPERT USER</span>
136       
137        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s">&#39;A&#39;</span><span class="p">]</span><span class="o">+</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s">&#39;B&#39;</span><span class="p">]</span><span class="o">*</span><span class="n">math</span><span class="o">.</span><span class="n">cos</span><span class="p">(</span><span class="mf">2.0</span><span class="o">*</span><span class="n">x</span><span class="p">)</span><span class="o">+</span><span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="p">[</span><span class="s">&#39;C&#39;</span><span class="p">]</span><span class="o">*</span><span class="n">math</span><span class="o">.</span><span class="n">sin</span><span class="p">(</span><span class="mf">2.0</span><span class="o">*</span><span class="n">x</span><span class="p">)</span>
138   
139    <span class="c">## DO NOT MODIFY THE FOLLOWING LINES!!!!!!!!!!!!!!!!   </span></div>
140<div class="viewcode-block" id="Model.get_fname"><a class="viewcode-back" href="../../../../../dev/api/sas.perspectives.fitting.plugin_models.html#sas.perspectives.fitting.plugin_models.testmodel.Model.get_fname">[docs]</a>    <span class="k">def</span> <span class="nf">get_fname</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
141        <span class="sd">&quot;&quot;&quot;</span>
142<span class="sd">        Get the model name same as the file name</span>
143<span class="sd">        &quot;&quot;&quot;</span>
144        <span class="n">path</span> <span class="o">=</span> <span class="n">sys</span><span class="o">.</span><span class="n">_getframe</span><span class="p">()</span><span class="o">.</span><span class="n">f_code</span><span class="o">.</span><span class="n">co_filename</span>
145        <span class="n">basename</span>  <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">basename</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
146        <span class="n">name</span><span class="p">,</span> <span class="n">_</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">splitext</span><span class="p">(</span><span class="n">basename</span><span class="p">)</span>
147        <span class="k">return</span> <span class="n">name</span>
148   
149<span class="c">## DO NOT MODIFY THE FOLLOWING LINES!!!!!!!!!!!!!!!!       </span></div></div>
150<span class="k">if</span> <span class="n">__name__</span> <span class="o">==</span> <span class="s">&quot;__main__&quot;</span><span class="p">:</span> 
151    <span class="n">m</span><span class="o">=</span> <span class="n">Model</span><span class="p">()</span> 
152    <span class="n">out1</span> <span class="o">=</span> <span class="n">m</span><span class="o">.</span><span class="n">runXY</span><span class="p">(</span><span class="mf">0.0</span><span class="p">)</span>
153    <span class="n">out2</span> <span class="o">=</span> <span class="n">m</span><span class="o">.</span><span class="n">runXY</span><span class="p">(</span><span class="mf">0.01</span><span class="p">)</span>
154    <span class="n">isfine1</span> <span class="o">=</span> <span class="n">numpy</span><span class="o">.</span><span class="n">isfinite</span><span class="p">(</span><span class="n">out1</span><span class="p">)</span>
155    <span class="n">isfine2</span> <span class="o">=</span> <span class="n">numpy</span><span class="o">.</span><span class="n">isfinite</span><span class="p">(</span><span class="n">out2</span><span class="p">)</span>
156    <span class="k">print</span> <span class="s">&quot;Testing the value at Q = 0.0:&quot;</span>
157    <span class="k">print</span> <span class="n">out1</span><span class="p">,</span> <span class="s">&quot; : finite? &quot;</span><span class="p">,</span> <span class="n">isfine1</span>
158    <span class="k">print</span> <span class="s">&quot;Testing the value at Q = 0.01:&quot;</span>
159    <span class="k">print</span> <span class="n">out2</span><span class="p">,</span> <span class="s">&quot; : finite? &quot;</span><span class="p">,</span> <span class="n">isfine2</span>
160    <span class="k">if</span> <span class="n">isfine1</span> <span class="ow">and</span> <span class="n">isfine2</span><span class="p">:</span>
161        <span class="k">print</span> <span class="s">&quot;===&gt; Simple Test: Passed!&quot;</span>
162    <span class="k">else</span><span class="p">:</span>
163        <span class="k">print</span> <span class="s">&quot;===&gt; Simple Test: Failed!&quot;</span>
164</pre></div>
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